XML 77 R65.htm IDEA: XBRL DOCUMENT
v3.19.2

Commitments and contingencies (Details) - Belgium - Foreign tax authority - EUR (€) € in Thousands |  | 1 Months Ended
--- | --- | ---
Dec. 28, 2012 | Mar. 30, 2019 | Dec. 31, 2013 | Jan. 31, 2012
2005 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  | € 46,135 |
2006 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  | 38,817 |
2007 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  | 39,635 |
2008 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  |  | € 30,131
2009 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) | € 35,567 |  |  |
2010 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  |  | € 43,117 |
2011 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | € 40,617 |  |
2012 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | 39,732 |  |
2013 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | 11,358 |  |
2014 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | 23,919 |  |
2015 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | 30,610 |  |
2016 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | 93,145 |  |
2017 |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |
Assessment received from Belgian tax authority (in euros) |  | € 79,933 |  |

X
- Definition Commitments and contingencies [line items] + References No definition available. + Details
Name: | mhk_CommitmentsAndContingenciesLineItems
Namespace Prefix: | mhk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign Tax Assessment + References No definition available. + Details
Name: | mhk_ForeignTaxAssessment
Namespace Prefix: | mhk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_BE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=mhk_TaxYear2005Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2006Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2007Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2008Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2009Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2010Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2011Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2012Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2013Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_TaxYear2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |